Portability problems not fixed by Gnulib:
@itemize
+@item
+On some platforms the types @code{blksize_t} and @code{suseconds_t}
+are signed integer types that are wider than @code{long}:
+glibc x32
@end itemize
+
+This module, together with the module @code{largefile}, also defines the type
+@code{off_t} to a 64-bit integer type on some platforms:
+mingw (except mingw64), MSVC 9.